/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.apache.hadoop.hdds.utils.db;

import com.google.protobuf.InvalidProtocolBufferException;
import org.junit.jupiter.api.Test;

import static java.nio.charset.StandardCharsets.UTF_8;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;

/**
 * Test {@link Proto2Codec} related classes.
 */
public abstract class Proto2CodecTestBase<T> {
  public abstract Codec<T> getCodec();

  @Test
  public void testInvalidProtocolBuffer() throws Exception {
    InvalidProtocolBufferException exception =
        assertThrows(InvalidProtocolBufferException.class,
            () -> getCodec().fromPersistedFormat("random".getBytes(UTF_8)));
    assertThat(exception.getMessage(),
        containsString("the input ended unexpectedly"));
  }

  @Test
  public void testFromPersistedFormat() {
    assertThrows(NullPointerException.class,
        () -> getCodec().fromPersistedFormat(null));
  }

  @Test
  public void testToPersistedFormat() throws Exception {
    assertThrows(NullPointerException.class,
        () -> getCodec().toPersistedFormat(null));
  }
}
